cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A068359 Binomial(2k,k) when the first digit of binomial(2k,k) is 1.

Table of values

n a(n)
1 1
2 12870
3 184756
4 10400600
5 155117520
6 137846528820
7 126410606437752
8 1946939425648112
9 118264581564861424
10 1832624140942590534
11 112186277816662845432
12 1746130564335626209832
13 107507208733336176461620
14 1678910486211891090247320
15 103827421287553411369671120

List of values

[1, 12870, 184756, 10400600, 155117520, 137846528820, 126410606437752, 1946939425648112, 118264581564861424, 1832624140942590534, 112186277816662845432, 1746130564335626209832, 107507208733336176461620, 1678910486211891090247320, 103827421287553411369671120]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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